import machine
from machine import Pin, ADC, PWM, I2C
import time
import network
import _thread
led1=Pin(2,Pin.OUT)
led2=Pin(15,Pin.OUT)
led1.value(1)
led2.value(1)
led3=Pin(17,Pin.OUT)
led3.value(1)
#板载LED
S1=Pin(33,Pin.IN)
S2=Pin(25,Pin.IN)
S3=Pin(26,Pin.IN)
S4=Pin(27,Pin.IN)
#按键
buzzer=Pin(19,Pin.OUT)
buzzer.value(0)
#蜂鸣器

